32131312232 has 16 divisors (see below), whose sum is σ = 60248119140. Its totient is φ = 16065147136.

The previous prime is 32131312201. The next prime is 32131312249. The reversal of 32131312232 is 23221313123.

It can be written as a sum of positive squares in 2 ways, for example, as 21864353956 + 10266958276 = 147866^2 + 101326^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32131312198 and 32131312207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429488 + ... + 498720.

Almost surely, 2^32131312232 is an apocalyptic number.

It is an amenable number.

32131312232 is a deficient number, since it is larger than the sum of its proper divisors (28116806908).

32131312232 is a wasteful number, since it uses less digits than its factorization.

32131312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127252 (or 127248 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

Adding to 32131312232 its reverse (23221313123), we get a palindrome (55352625355).

The spelling of 32131312232 in words is "thirty-two billion, one hundred thirty-one million, three hundred twelve thousand, two hundred thirty-two".